Evaluated here are sharpness across the field (particularly at f/2.8 through f/5.6), field curvature, and (oddly enough!) field of view.

Exposure was within 2/3 stop of maximal ETTR exposure, pretty good, but showing that auto-exposure on Sony mirrorless has substantial error: I had dialed in +1/3 stop. In other words, the Sony A7R III gave up a full stop of dynamic range. What is the point of a newer sensor that is touted for another 1/3 stop or so of dynamic range when the camera screws the pooch by underexposing a full stop? It’s about time some camera vendor understood the value of auto-ETTR. It’s shocking that no camera vendor 'gets' this critical core functionality—it is such low-hanging fruit for reduced noise and broader dynamic range.